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- 1. Multiple ChoiceThe movement of thermal energy from a warmer object to a cooler object is called:heattemperaturemotionmomentum
- 2. Multiple ChoiceNo more energy can be removed from matter at:its freezing point0°Cabsolute zero273 K
- 3. Multiple ChoiceHeat transfer occurs:in many directionsboth from warm objects to colder ones and from cold objects to warmer onesonly from warm objects to colder onesonly from cold objects to warmer ones
- 4. Multiple ChoiceA measure of the average kinetic energy of the individual particles in an object is called:thermal energyconductionconvectiontemperature
- 5. Multiple ChoiceWhen you touch something that feels cold,heat from your hand moves into the cold substance.coldness moves from the cold substance into your hand.it melts.it freezes.
- 6. Multiple Choice
What is the temperature on the thermometer?28° Celsius20° Fahrenheit18° Celsius20° Celsius - 7. Multiple ChoiceEnergy that moves particles of matter istemperaturethermal energyheatfriction
- 8. Multiple ChoiceWhy does a diver wear a wet suit?To keep in thermal energy.To keep from getting cuts.To keep from sinking.To keep out cold.
- 9. Multiple ChoiceWhat does absolute zero mean?A failed quiz.The lowest temperature possible.The hottest temperature possible.A race.
- 10. Multiple ChoiceThe temperature of a substance increases as___.the substance expandsthe average kinetic energy of its particles increasesthe substance's volume increasesthe substance's mass increases
- 11. Multiple ChoiceThe ability to do work or cause changespeedjobtransferenergy
- 12. Multiple ChoiceEnergy is measured in units called.....poundsmetershorsepowerjoules
- 13. Multiple ChoiceA change from one form of energy into another is calledworkenergy transformationenergy increaseconservation of energy
- 14. Multiple ChoiceWhile rubbing your hands together on a cold day, you use friction to trasnformthermal energy into nuclear energynuclear energy into electrical energymechanical energy into thermal energymechanical energy into electrical
- 15. Multiple ChoiceThe law of conservation of energy states thatno energy is destroyedenergy can be destroyedenergy is createdsome amount of energy cannot be accounted for
- 16. Multiple ChoiceThe more particles an object has at a given temperature,the higher the temperaturethe more thermal energy it hasthe more degrees it hasthe more Kelvins it has
- 17. Multiple Choiceheat is energyfalsetrue
- 18. Multiple ChoiceYou're holding hands with your best friend. Your friend's hands are REALLY warm and yours are really cold. After a few minutes, this has changed. How might you explain what happened?The cold energy from your hand transferred to your friend's hand through conduction.The heat energy from your friend's hand transferred to your hand through conduction.The cold energy from your hand transferred to your friend's hand through convection.The heat energy from your friend's hand transferred to your hand through convection.
- 19. Multiple ChoiceLT3: If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________one reaches a temperature of zerothey both have an equal temperatureone runs out of energy
- 20. Multiple ChoiceThermal energy ALWAYS moves from _____ to _____.solid to liquidice to waterhot to coldsolid to gas
- 21. Multiple ChoiceWhen a popsicle melts, the particles _____.gain thermal energy and speed upthere are no particles in popsicleslose thermal energy and slow downstay the same
- 22. Multiple ChoiceObserve the diagram. Which statement is true about the kinetic energy of the molecules in the containers?The molecules are moving faster in Diagram AThe molecules are moving slower in Diagram AThe molecules are moving at the same rate in both diagrams
- 23. Multiple ChoiceThe measure of average kinetic energy of all the particles within an object is called ____________.temperatureconductionradiationheat
- 24. Multiple ChoiceThe Law of Conservation of Energy states:Energy can created or destroyed but not transformedEnergy cannot be created or destroyed, it can only transformedEnergy can't be created, destroyed or transformed
- 25. Multiple Choicewhat is specific heatBakers mixtapea basketball teamThe amount of thermal energy required to increase the temperature of 1kg of a material by 1° Celsius.
- 26. Multiple ChoiceWhat is the formula to calculate heat energy required to raise the temperature of any substance?Q=mc∆tQ=mcQ= ½mvm=QC
- 27. Multiple ChoiceWhat is the symbol for Thermal Energy?QtmC
- 28. Multiple ChoiceWhat unit do you use to measure Thermal Energy?J/Kg ºCKgºCJ
- 29. Multiple ChoiceWhat is the symbol for Specific HeatQtmC
- 30. Multiple ChoiceA material was cooled from 100ºC to 40ºC. What is the temperature change?60ºC40ºC-60ºC-40ºC
- 31. Multiple ChoiceThe specific heat of aluminum is 0.21 cal/g°C. How much heat(Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 100° to 50°?105 J10.5 J1.05 J
- 32. Multiple Choice20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?418 Joules209 J83 J4.18 J
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